New mariadb packages are available for Slackware 14.2 and -current to fix security issues.

Here are the details from the Slackware 14.2 ChangeLog:
+--------------------------+
patches/packages/mariadb-10.0.30-i586-1_slack14.2.txz: Upgraded.
This update fixes security issues:
Crash in libmysqlclient.so.
Difficult to exploit vulnerability allows low privileged attacker with
logon to compromise the server. Successful attacks of this vulnerability
can result in unauthorized access to data.
For more information, see:
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-3302
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-3313
(* Security fix *)
+--------------------------+


Where to find the new packages:
+-----------------------------+

Thanks to the friendly folks at the OSU Open Source Lab
(http://osuosl.org) for donating FTP and rsync hosting
to the Slackware project!

Also see the "Get Slack" section on http://slackware.com for
additional mirror sites near you.

Updated package for Slackware 14.2:
ftp://ftp.slackware.com/pub/slackware/slackware-14.2/patches/packages/mariadb-10.0.30-i586-1_slack14.2.txz

Updated package for Slackware x86_64 14.2:
ftp://ftp.slackware.com/pub/slackware/slackware64-14.2/patches/packages/mariadb-10.0.30-x86_64-1_slack14.2.txz

Updated package for Slackware -current:
ftp://ftp.slackware.com/pub/slackware/slackware-current/slackware/ap/mariadb-10.0.30-i586-1.txz

Updated package for Slackware x86_64 -current:
ftp://ftp.slackware.com/pub/slackware/slackware64-current/slackware64/ap/mariadb-10.0.30-x86_64-1.txz


MD5 signatures:
+-------------+

Slackware 14.2 package:
9b6c082f717f4d347dcb6ab4f7cdd0c2 mariadb-10.0.30-i586-1_slack14.2.txz

Slackware x86_64 14.2 package:
aa9b259310ad55091a98bf1d91c06d69 mariadb-10.0.30-x86_64-1_slack14.2.txz

Slackware -current package:
9d8d5cc368dea8facaa23870b24a0d6e ap/mariadb-10.0.30-i586-1.txz

Slackware x86_64 -current package:
7b93dcf1483cc564db749c81f97de5af ap/mariadb-10.0.30-x86_64-1.txz


Installation instructions:
+------------------------+

Upgrade the package as root:
# upgradepkg mariadb-10.0.30-i586-1_slack14.2.txz

Then, restart the database server:
# sh /etc/rc.d/rc.mysqld restart

  Mariadb (SSA:2017-087-01) for Slackware